Kazuma Okamoto (岡本 和真, Okamoto Kazuma, born June 30, 1996) is a Japanese professional baseball infielder for the Yomiuri Giants of Japan's Nippon Professional Baseball (NPB). He has been selected as an all-star twice, and was named the Central League Climax Series MVP in 2019. In 2020, he led the Central League in home runs and RBIs. Okamoto is also a member of the Japan national baseball team, and has participated in the 2018 MLB Japan All-Star Series and the 2019 exhibition games against Mexico.